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Is it Prime or Composite? (1)

In this worksheet, students decide whether or not a given number is prime or composite.

'Is it Prime or Composite? (1)' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Special Numbers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

A PRIME number is one that only has two factors, itself and 1.

A COMPOSITE number is one that has more than two factors.

 

PRIME numbers include 2, 3, 5, 7, 11, 13, 17 etc.....

COMPOSITE numbers include 4, 6, 8, 9, 10, 12, 14, 15 etc....

Is the following number prime or composite?

12

Prime

Composite

Is the following number prime or composite?

11

Prime

Composite

Is the following number prime or composite?

17

Prime

Composite

Is the following number prime or composite?

27

Prime

Composite

Is the following number prime or composite?

37

Prime

Composite

Is the following number prime or composite?

57

Prime

Composite

Is the following number prime or composite?

49

Prime

Composite

Is the following number prime or composite?

59

Prime

Composite

Is the following number prime or composite?

2

Prime

Composite

Is the following number prime or composite?

51

Prime

Composite

  • Question 1

Is the following number prime or composite?

12

CORRECT ANSWER
Composite
EDDIE SAYS
12 can also be divided by 2, 3, 4 and 6
  • Question 2

Is the following number prime or composite?

11

CORRECT ANSWER
Prime
EDDIE SAYS
11 can only be divided by itself and 1
  • Question 3

Is the following number prime or composite?

17

CORRECT ANSWER
Prime
EDDIE SAYS
17 can only be divided by itself and 1
  • Question 4

Is the following number prime or composite?

27

CORRECT ANSWER
Composite
EDDIE SAYS
27 can also be divided by 3 and 9
  • Question 5

Is the following number prime or composite?

37

CORRECT ANSWER
Prime
EDDIE SAYS
37 can only be divided by itself and 1
  • Question 6

Is the following number prime or composite?

57

CORRECT ANSWER
Composite
EDDIE SAYS
57 can also be divided by 3 and 19
  • Question 7

Is the following number prime or composite?

49

CORRECT ANSWER
Composite
EDDIE SAYS
49 can also be divided by 7
  • Question 8

Is the following number prime or composite?

59

CORRECT ANSWER
Prime
EDDIE SAYS
59 can only be divided by itself and 1
  • Question 9

Is the following number prime or composite?

2

CORRECT ANSWER
Prime
EDDIE SAYS
2 can only be divided by itself and 1
  • Question 10

Is the following number prime or composite?

51

CORRECT ANSWER
Composite
EDDIE SAYS
51 can also be divided by 3 and 17
---- OR ----

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